| North American Sports Cities | 0 | - | 4.83 | 172,446 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,345 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,166 |
| World Capitals Quiz | 0 | - | 5.00 | 5,076,646 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,610 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,227 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,316 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,452 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,550 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,293 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,088 |
| Countries by Capital City | 0 | - | 5.00 | 68,377 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,216 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,695 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,260 |
| Moved Capital Cities | 0 | - | 4.96 | 74,243 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,580 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,616 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,259 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,486 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,935 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,427 |
| Name a City - European Countries | 0 | - | 4.90 | 65,440 |
| Cities by Former Name | 0 | - | 4.83 | 91,602 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,235 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,478 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,420 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,684 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,259 |
| World Capitals by Map | 0 | - | 5.00 | 286,689 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,351 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,351 |
| Random Country to Capital | 0 | - | 4.98 | 921,125 |
| Capitals Starting With H | 0 | - | 4.91 | 92,613 |
| Capitals Starting With K | 0 | - | 4.88 | 83,607 |
| Capitals Starting With L | 0 | - | 4.81 | 88,142 |
| Capitals Starting With M | 0 | - | 4.93 | 107,885 |
| Capitals Starting With P | 0 | - | 4.88 | 78,252 |
| Capitals Starting With R | 0 | - | 4.87 | 81,889 |
| Capitals Starting With S | 0 | - | 4.90 | 85,843 |
| Capitals Starting With T | 0 | - | 4.85 | 76,210 |
| Capitals Starting With W | 0 | - | 4.87 | 91,336 |
| Capitals Starting With A | 0 | - | 4.97 | 128,145 |
| Capitals Starting With B | 0 | - | 4.89 | 118,568 |
| Capitals Starting With D | 0 | - | 4.93 | 96,506 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,467 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,247 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,416 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,888 |
| American Cities by Stadium | 0 | - | 4.02 | 36,545 |
| City by Football Clubs | 0 | - | 4.38 | 138,000 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,153 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,573 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,761 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,038 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,168 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,951 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,839 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,256 |
| Former Capitals | 0 | - | 4.88 | 71,475 |
| Europe Capital to Country | 0 | - | 4.99 | 250,465 |
| Asia Capital to Country | 0 | - | 4.96 | 126,718 |
| Capital Cities Chain | 0 | - | 4.84 | 82,792 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,963 |
| European Capitals by Map | 0 | - | 4.99 | 139,401 |
| African Capitals by Map | 0 | - | 4.99 | 133,888 |
| Coldest World Capitals | 0 | - | 4.95 | 133,580 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,480 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,127 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,466 |
| European Coastal Capitals | 0 | - | 4.95 | 90,650 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,610 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,208 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,171 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,859 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,615 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,956 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,010 |
| Ancient City to Country | 0 | - | 4.70 | 108,059 |
| Official Cities in the UK | 0 | - | 4.89 | 283,981 |
| City-States | 0 | - | 4.53 | 37,275 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,152 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,689 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,842 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,194 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,541 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,126 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,546 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,543 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,243 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,938 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,714 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,017 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,524 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,081 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,327 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,212 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,878 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,683 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,480 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,976 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,065 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,113 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,213 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,184 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,416 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,487 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,434 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,097 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,670 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,198 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,321 |
| The Only Country ... | 0 | - | 4.91 | 81,188 |
| Capitals of the Stans | 0 | - | 4.95 | 26,861 |
| FIFA World Cup Final Host Cities | 0 | - | 4.67 | 28,919 |
| Boundary Waters | 0 | - | 4.92 | 88,492 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,188 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,146 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,531 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,497 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,819 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,531 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,516 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 46,637 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,154 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,575 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,201 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,178 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,946 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,844 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,138 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,126 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,692 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,476 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,573 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,400 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,198 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,250 |
| Cities by Airports | 0 | - | 4.49 | 88,753 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,046 |
| Cities Chain #2 | 0 | - | 4.42 | 56,393 |
| Cities Chain #1 | 0 | - | 4.61 | 66,635 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,404 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,213 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,622 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,164 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,122 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,160 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,354 |
| Capitals Starting With N | 0 | - | 4.80 | 51,245 |
| Capitals Starting With V | 0 | - | 4.79 | 38,216 |
| Capitals Starting With C | 0 | - | 4.79 | 98,022 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,494,116 |
| Landlocked Countries | 0 | - | 4.99 | 420,926 |
| Countries with Major League Baseball Players | 0 | - | 4.61 | 67,980 |
| Countries Where Baseball is the Most Popular Sport | 0 | - | 4.42 | 55,357 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 573,571 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,627 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,600 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,439 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,785 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,514 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,111 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,915 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,357 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,496 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,225 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,608 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,805 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,552 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,539 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,432 |
| Capitals of 2018 FIFA World Cup Teams | 0 | - | 4.67 | 30,936 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,702 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,728 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,538 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,210 |
| Random European Capital to Country | 0 | - | 4.98 | 191,001 |
| Random European Country to Capital | 0 | - | 4.93 | 165,206 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,501 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,798 |
| Random African Capital to Country | 0 | - | 4.97 | 100,766 |
| Random African Country to Capital | 0 | - | 4.94 | 71,289 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,307 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,318 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,770,590 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,641 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,889 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,238 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,245 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,645 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,407 |
| Cities with the Same Name | 0 | - | 3.94 | 36,685 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,811 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,399 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,986 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,238 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,010 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,393 |
| Cities in European History #1 | 0 | - | 4.63 | 134,063 |
